About: http://webisa.webdatacommons.org/337131977

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Private currencies are often issued and backed by physical commodities, such as gold or silver.
http://www.w3.org/ns/prov#wasQuotedFrom	investopedia.com